Nope. Much more.
Nope. Love is more than just a noun ... It's a verb. Feelings aren't worth much without actions.
Quick 15 minute Ted Talk:
No, it is an act that we perform. It involves care, respect, the ability to respond to that person loved, and knowledge of that person loved.
It is, however, frequently accompanied by feelings as we perform love.
The feeling of falling in love (romantic love) is usually the result of a neurotransmitter storm ordered to the preservation of the species.